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cmd/stunstamp: validate STUN tx ID in responses (#12339)

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Extremely late arriving responses may leak across probing intervals.

Updates tailscale/corp#20344

Signed-off-by: Jordan Whited <jordan@tailscale.com>
This commit is contained in:
Jordan Whited
2024-06-04 07:26:10 -07:00
committed by GitHub
parent bc4c8b65c7
commit ba0dd493c8
3 changed files with 53 additions and 38 deletions
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4
cmd/stunstamp/stunstamp_default.go
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@@ -16,8 +16,8 @@ func getConnKernelTimestamp() (io.ReadWriteCloser, error) {
return nil, errors.New("unimplemented")
}
func measureRTTKernel(conn io.ReadWriteCloser, dst *net.UDPAddr, req []byte) (resp []byte, rtt time.Duration, err error) {
return nil, 0, errors.New("unimplemented")
func measureRTTKernel(conn io.ReadWriteCloser, dst *net.UDPAddr) (rtt time.Duration, err error) {
return 0, errors.New("unimplemented")
}
func supportsKernelTS() bool {